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Question
Which of the following is an ohmic resistor?
Which of the following is an ohmic resistor?
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Solution
The correct option is D Nichrome wire
Ohmic Resistors - The conductors which obey Ohm'sm's law are called ohmic resistors.
Examples are all metallic conductors (such as silver, aluminum, copper, iron, etc), nichrome, copper sulfate, etc.
For such resistors, V - I curve is a straight line passing through the origin.
The conductors which do not obey Ohm's law are called Non-ohmic conductors. LED, Junction diode, Filament of a bulb are examples of non-ohmic conductors.
Nichrome wire
Ohmic Resistors - The conductors which obey Ohm'sm's law are called ohmic resistors.
Examples are all metallic conductors (such as silver, aluminum, copper, iron, etc), nichrome, copper sulfate, etc.
For such resistors, V - I curve is a straight line passing through the origin.
The conductors which do not obey Ohm's law are called Non-ohmic conductors. LED, Junction diode, Filament of a bulb are examples of non-ohmic conductors.
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